CN105848084A - Method and system for intercommunication of 3G special network and public network - Google Patents
Method and system for intercommunication of 3G special network and public network Download PDFInfo
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- CN105848084A CN105848084A CN201510019219.0A CN201510019219A CN105848084A CN 105848084 A CN105848084 A CN 105848084A CN 201510019219 A CN201510019219 A CN 201510019219A CN 105848084 A CN105848084 A CN 105848084A
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Abstract
The invention provides a method and system for intercommunication of a 3G special network and a public network. The method comprises following steps of setting mapping relationship between a special network number and an IMPU (IMS Public Identity) of a 3G special network user terminal for the IMS public identity IMPU set by the 3G special network user terminal according to an IP multimedia subsystem IMS network; obtaining the corresponding special network number according to the international mobile subscriber identity IMSI of the 3G special network user terminal when the 3G special network user terminal is started; judging whether the special network number is bound with the IMPU; sending a registering request to the IMS network by using the IMPU bound with the special network number if the special network number is bound with the IMPU; activating the mapping relationship between the special network number and the IMPU after registering is successful; and initiating a call to the public network according to the mapping relationship of the special network number and the IMPU. According to the method and the system, the intercommunication of the 3G special network and the public network is realized, the call is realized by the users of the special network and the public network without changing numbers, and the user perception is improved.
Description
Technical field
The present invention relates to network communication technology field, particularly relate to one and realize 3G private network with public
The method and system of net interconnecting.
Background technology
The 3G private radio of modernization can be installed in its working space by the most many large-scale enterprises
Communication system.As: along with coal mining equipment and the lifting of auxiliary equipment and development, mine
Automatization, informationization have become as the key element of coal enterprise development, and colliery wireless communication system is made
For one of Safety of Coal Mine Production " six big systems ", become mine informationization and production safety management
Important component part.In the colliery cordless communication network being actually based on 3G technology is built,
Ore deposit side requires downhole coal mine wireless communication system (private network) and terrestrial carrier network (public network)
Interconnect, have the user of special access right on ground, down-hole all can be with public network user
Communication.
At present, 3G private network and carrier network intercommunication all use E1 interface access fixed network, operation
Business is for needing several fixed line numbers of private network user setup communicated with public network.Private network user calls
During public network user, callee's display of calling number is the fixed line number arranged.Public network user calls
During private network user, need to dial corresponding fixed line number.
The scheme of the existing 3G of realization private network and carrier network intercommunication at least exist following not
Foot:
1. private network user is as caller, and public network user is as time called, and callee is shown as fixed line
Number is dialled in, it is possible to refusal is answered, poor user experience；
2. private network user is as called, when public network user is as caller, needs to dial the most admittedly
Words number, when private network user corresponding to this fixed line number be not in 3G private network coverage, leads
Cause is not turned on.
Summary of the invention
In view of the above problems, it is proposed that the present invention is to provide one to overcome the problems referred to above or extremely
Partially solve or slow down the problems referred to above the method realizing 3G private network and public network intercommunication and
Realize the system of 3G private network and public network intercommunication accordingly.
3G private network and public network intercommunication is realized according to an aspect of the invention, it is provided a kind of
Method, the method includes:
It is the user that 3G private network user terminal is arranged according to IP Multimedia System IMS network
The mapping of Special network numbers and IMPU that publicly-owned mark IMPU sets up 3G private network user terminal is closed
System；
During the start of 3G private network user terminal, according to the international shifting of current 3G private network user terminal
Dynamic ID IMSI obtains corresponding Special network numbers；
Judge whether described Special network numbers is bound with IMPU, the most then with described
The IMPU of Special network numbers binding sends registration request to IMS network, and after succeeding in registration
Activate the mapping relations of described Special network numbers and IMPU；
Mapping relations according to described Special network numbers with IMPU initiate calling to public network.
Wherein, the described mapping relations according to described Special network numbers with IMPU are initiated to public network
Calling, specifically includes:
According to described mapping relations, it is transformed to described Special network numbers tie up with described Special network numbers
Fixed IMPU；
Calling is initiated to public network by described IMPU.
Wherein, initiate to described 3G private network user terminal when the public network user terminal of described public network
During calling, described method also includes:
According to described mapping relations, will tie up with the public network cell-phone number of display in public network user terminal
Fixed IMPU is transformed to the Special network numbers bound with this IMPU；
Calling is initiated to 3G private network user terminal by the Special network numbers bound with IMPU.
Wherein, when described 3G private network user terminal is in IMSI attachment state, described side
Method also includes:
Timing refreshes the IMS state of described 3G private network user terminal to described IMS network.
Wherein, the refresh cycle of the IMS state of described 3G private network user terminal is IMS net
The half of the intrinsic refresh time of network.
Wherein, it is in explicitly or implicitly IMSI separation process when described 3G private network user terminal
Time, described method also includes:
The IMS state of described 3G private network user terminal, and deexcitation is nullified to IMS network
The Special network numbers of described 3G private network user terminal and the mapping relations of IMPU.
Wherein, described method also includes:
By described 3G private network by IMS network described in IP access via telephone line.
According to another aspect of the present invention, it is provided that one realizes 3G private network and public network intercommunication
System, this system includes:
Mapping relations set up unit, and being used for according to IP Multimedia System IMS network is 3G
The IP multimedia pUblic identity IMPU that private network user terminal is arranged sets up the special of 3G private network user terminal
Network No. code and the mapping relations of IMPU；
Special network numbers acquiring unit, for when 3G private network user terminal is started shooting, according to currently
The IMSI International Mobile Subscriber Identity IMSI of 3G private network user terminal obtains corresponding Special network numbers；
Judging unit, is used for judging whether described Special network numbers is bound with IMPU, if
It is then to proceed to mapping relations and activate unit；
Mapping relations activate unit, for the IMPU to bind with described Special network numbers to IMS
Network sends registration request, and activates described Special network numbers and IMPU's after succeeding in registration
Mapping relations；
First calling performance element, for closing according to the mapping of described Special network numbers with IMPU
It is to initiate calling to public network.
Wherein, described first calling performance element, specifically include:
Conversion module, for according to described mapping relations, described Special network numbers is transformed to
The IMPU of described Special network numbers binding；
Perform module, for initiating calling by described IMPU to public network.
Wherein, described system also includes:
Converter unit, for when the user terminal of described public network is to described 3G private network user terminal
When initiating calling, according to described mapping relations, by with the public network of display in public network user terminal
The IMPU of cell-phone number binding is transformed to the Special network numbers bound with this IMPU；
Second calling performance element, for by special to 3G with the Special network numbers that IMPU binds
Network users terminal originated calls.
Wherein, described system also includes:
IMS state updating block, for when described 3G private network user terminal, to be in IMSI attached
When state, timing refreshes the IMS of described 3G private network user terminal to described IMS network
State.
Wherein, when the refresh cycle of described IMS state updating block is IMS network intrinsic refreshing
Between half.
The invention have the benefit that
Utilize the present invention by setting up the Special network numbers of 3G private network user terminal and reflecting of IMPU
Penetrate relation, and then opposite joining relation will be set up between private network and public network, in 3G private network radio communication
Intercommunication, private network user and public affairs are realized between the 3G wireless communication system of system and runner public-network
Network users can realize quick intercommunication without the replacing carrying out private network and public network cell-phone number, promotes and uses
Family perception.
Described above is only the general introduction of technical solution of the present invention, in order to better understand this
Bright technological means, and can be practiced according to the content of description, and in order to allow the present invention
Above and other objects, features and advantages can become apparent, below especially exemplified by the present invention's
Detailed description of the invention.
Accompanying drawing explanation
By reading the detailed description of hereafter preferred implementation, various other advantage and benefit
Those of ordinary skill in the art be will be clear from understanding.Accompanying drawing is only used for illustrating and is preferable to carry out
The purpose of mode, and it is not considered as limitation of the present invention.And in whole accompanying drawing, use
Identical reference marks represents identical parts.In the accompanying drawings:
A kind of method realizing 3G private network and public network intercommunication that Fig. 1 provides for the embodiment of the present invention
Flow chart；
A kind of method realizing 3G private network and public network intercommunication that Fig. 2 provides for the embodiment of the present invention
The flow chart of the fine division step of middle step S14；
A kind of system realizing 3G private network and public network intercommunication that Fig. 3 provides for the embodiment of the present invention
Structured flowchart；And
A kind of system realizing 3G private network and public network intercommunication that Fig. 4 provides for the embodiment of the present invention
In first calling performance element structured flowchart.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will knot
Close the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear,
Be fully described by, it is clear that described embodiment be a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Make the every other embodiment obtained under creative work premise, broadly fall into present invention protection
Scope.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, used herein all
Term (includes technical term and scientific terminology), and have with art of the present invention is common
Technical staff is commonly understood by identical meaning.Should also be understood that in such as general dictionary
Those terms of definition, it should be understood that have and the meaning one in the context of prior art
The meaning caused, and unless by specific definitions, otherwise will not be with idealization or the most formal containing
Justice is explained.
A kind of method realizing 3G private network and public network intercommunication that Fig. 1 provides for the embodiment of the present invention
Flow chart.
See Fig. 1, the method realizing 3G private network and public network intercommunication that the embodiment of the present invention provides
Comprise the following steps:
S11, it is that 3G private network user terminal is arranged according to IP Multimedia System IMS network
IP multimedia pUblic identity IMPU set up the Special network numbers of 3G private network user terminal and IMPU's
Mapping relations；
In this step, operator is that private network user distributes IMS number resource IMPU (IMS
Public Identity, IMS IP multimedia pUblic identity) and public network SIM (Subscriber Identity
Module, Subscriber Identity Module)/USIM (Universal Subscriber Identity Module,
Universal subscriber identity module), and carry out IMS number resource IMPU and public network phone number
Binding, set up mapping relations.Private network core net is by the Special network numbers of 3G private network user terminal
Bind with IMPU, and set up mapping relations.Private network intercommunication uses Special network numbers to carry out
Addressing, the IMPU being transformed to bind with it by Special network numbers when communicating with public network carries out public network
Calling.
During the start of S12,3G private network user terminal, according to current 3G private network user terminal
IMSI International Mobile Subscriber Identity IMSI obtains corresponding Special network numbers；
S13, judge whether described Special network numbers is bound with IMPU, the most then with
The IMPU of described Special network numbers binding sends registration request to IMS network, and is registering
The mapping relations of described Special network numbers and IMPU are activated after merit；
In this step, during the start of 3G private network user terminal, carry out IMSI (International
Mobile Subscriber Identity, IMSI International Mobile Subscriber Identity) attachment flow time, private network
Core net obtains corresponding Special network numbers by this IMSI, it is judged that described Special network numbers whether with
IMPU binds, if it is bound with IMPU, then to bind with described Special network numbers
IMPU to IMS network initiate initial registration flow process, after succeeding in registration activate Special network numbers
Mapping with IMPU.
S14, mapping relations according to described Special network numbers and IMPU initiate calling to public network.
Further, described method also includes: by described 3G private network by IP access via telephone line
Described IMS network.In the embodiment of the present invention, 3G private network is special with IP as IMS client
Line mode access carrier IMS network, session control between private network and public network, service bearer are equal
IP based network.In the embodiment of the present invention, the interface between 3G private network and runner public-network is
Open interface.
The embodiment of the present invention is based on ripe IP Multimedia System IMS (IP Multimedia
Subsystem) technology, based on standard IMS protocol, by setting up 3G private network user terminal
Special network numbers and IP multimedia pUblic identity IMPU between mapping relations, by public network and private network
Number bridges, when 3G private network user is as caller, public network user as time called, quilt
The side of crying can accurate display of calling number；Private network user is as called, and public network user is as master
When crying, can be with quick-make called private network user；User is avoided to find Intranet and outer net number
Trouble, also eliminate user and change private network and the trouble of public network cell-phone number；And, it is not required to
Agreement to be revised or custom terminal.
In order to embody the superiority of invention further, disclose the present invention further below and realize 3G
Private network and the fine division step of step S14 in the method for public network intercommunication, embody according to this step
Another embodiment realized.With reference to Fig. 2, the fine division step of this step includes:
S141, according to described mapping relations, described Special network numbers is transformed to and described private network
The IMPU of number binding；
S142, by described IMPU to public network initiate calling.
In the embodiment of the present invention, when private network user initiates calling, as called for public network number,
Calling party number's convert, according to the mapping relations obtained in register flow path, is it by private network core net
IMPU initiates calling to IMS network, and IMPU is transformed to its binding by carrier network
Public network cell-phone number initiates calling at public network, and such called subscriber's caller identification can correctly show
Calling party.
In order to embody the superiority of invention further, disclose the present invention further below and realize 3G
Another embodiment of the method for private network and public network intercommunication.What the embodiment of the present invention proposed realizes 3G
Private network and the method for public network intercommunication, when the public network user terminal of described public network is to described 3G private network
When user terminal initiates calling, also include:
According to described mapping relations, will tie up with the public network cell-phone number of display in public network user terminal
Fixed IMPU is transformed to the Special network numbers bound with this IMPU；
Calling is initiated to 3G private network user terminal by the Special network numbers bound with IMPU.
In the embodiment of the present invention, when public network user initiates calling, such as called private network user terminal
Be configured with binding mapping relation, then public network number and the IMPU of called subscriber carries out with shaking,
Public network number that called subscriber is corresponding and with this public network number by private network corresponding for IMPU
Number can receive calling simultaneously.Now receive the calling of IMS network such as private network core net,
Called IMPU can be converted by private network core net according to the mapping relations obtained in register flow path
For Special network numbers, initiate to call to called subscriber at private network.If called user terminal is not specially
In net coverage, it is possible to can be called by public network number reception at public network.
Further, when described 3G private network user terminal is in IMSI attachment state, institute
Method of stating also includes:
Timing refreshes the IMS state of described 3G private network user terminal to described IMS network.
Further, the refresh cycle of the IMS state of described 3G private network user terminal is
The half of the intrinsic refresh time of IMS network.
In the embodiment of the present invention, private network core net is when terminal is in IMSI attachment state, fixed
Time refresh the IMS state of this terminal to IMS network, the refresh cycle is IMS network requirement
The half of refresh time.The present invention uses the half of the refresh time that IMS network requires,
The IMS state of 3G private network user terminal can be obtained more accurately, in order to and under carrying out
One step concrete operations.
Further, separate when described 3G private network user terminal is in explicitly or implicitly IMSI
During flow process, described method also includes: nullify described 3G private network user terminal to IMS network
IMS state, and the reflecting of the Special network numbers of 3G private network user terminal described in deexcitation and IMPU
Penetrate relation.
By separation process, 3G private network user terminal disconnects the connection with IMS network, IMS
After network separates, mobile service enters MM idle condition.The movement of 3G private network user terminal
Business separates from IMS network and can use explicit separation and implicit detach two ways.Aobvious
Formula separate mode is exactly to be sent one by mobile service user terminal to separate request；Implicit detach side
Formula is then on a logical links existed, due to ready timer expiry or due to
Irrecoverable error is there is and the separation that causes on wireless link.
In the embodiment of the present invention, when described 3G private network user terminal is in explicitly or implicitly IMSI
During separation process, private network core net nullifies the IMS of 3G private network user terminal to IMS network
State, simultaneously deexcitation Special network numbers and the mapping of IMPU.
A kind of system realizing 3G private network and public network intercommunication that Fig. 3 provides for the embodiment of the present invention
Structured flowchart；
See Fig. 3, the system realizing 3G private network and public network intercommunication that the embodiment of the present invention provides
Including:
Mapping relations set up unit 11, for according to IP Multimedia System IMS network being
The IP multimedia pUblic identity IMPU that 3G private network user terminal is arranged sets up 3G private network user terminal
The mapping relations of Special network numbers and IMPU；
Special network numbers acquiring unit 12, is used for when 3G private network user terminal is started shooting, according to
The IMSI International Mobile Subscriber Identity IMSI of current 3G private network user terminal obtains corresponding private network number
Code；
Judging unit 13, is used for judging whether described Special network numbers is bound with IMPU,
The most then proceed to mapping relations and activate unit；
Mapping relations activate unit 14, for the IMPU to bind with described Special network numbers to
IMS network sends registration request, and activates described Special network numbers and IMPU after succeeding in registration
Mapping relations；
First calling performance element 15, for the mapping according to described Special network numbers Yu IMPU
Relation initiates calling to public network.
Further, the system realizing 3G private network and public network intercommunication that the embodiment of the present invention proposes
Also include: link block, for described 3G private network is passed through IMS described in IP access via telephone line
Network.In the embodiment of the present invention, 3G private network connects with IP private-line mode as IMS client
Entering operator's IMS network, between private network and public network, session control, service bearer are based on IP
Network.
The embodiment of the present invention is based on ripe IP Multimedia System IMS (IP Multimedia
Subsystem) technology, based on standard IMS protocol, is built by IP multimedia pUblic identity IMPU
And the mapping relations between the Special network numbers of 3G private network user terminal, by public network and Special network numbers
Bridge, when 3G private network user is as caller, public network user as time called, callee
Can accurate display of calling number；Private network user is as called, when public network user is as caller,
Can be with quick-make called private network user；User is avoided to find Intranet and the trouble of outer net number,
Also eliminate user and change private network and the trouble of public network cell-phone number；Also, it is not necessary to amendment association
View or custom terminal, 3G private network in the embodiment of the present invention. and the interface between runner public-network
For open interface.
In order to embody the superiority of invention further, disclose the present invention further below and realize 3G
Private network is with the first calling performance element 15 in the system of public network intercommunication in another embodiment
Internal structure, embody another embodiment realized according to the first calling performance element 15
Details.With reference to Fig. 4, the first calling performance element 15 farther includes conversion module 151 He
Execution module 152:
Described conversion module 151, for according to described mapping relations, by described Special network numbers
It is transformed to the IMPU bound with described Special network numbers；
Described execution module 152, for initiating calling by described IMPU to public network.
In order to embody the superiority of invention further, disclose the present invention further below and realize 3G
The structure in another embodiment of the system of private network and public network intercommunication.The present embodiment proposes
The system realizing 3G private network and public network intercommunication, also include converter unit and second calling perform
Unit:
Described converter unit, for using to described 3G private network when the user terminal of described public network
During the terminal originated calls of family, according to described mapping relations, will show in public network user terminal
The IMPU of public network cell-phone number binding be transformed to the Special network numbers bound with this IMPU；
The second described calling performance element, for by the Special network numbers bound with IMPU
Calling is initiated to 3G private network user terminal.
Further, the system realizing 3G private network and public network intercommunication that the embodiment of the present invention proposes
Also include:
IMS state updating block, for when described 3G private network user terminal, to be in IMSI attached
When state, timing refreshes the IMS of described 3G private network user terminal to described IMS network
State.
Further, the refresh cycle of the IMS state updating block in the embodiment of the present invention
Half for the intrinsic refresh time of IMS network.
Further, the system realizing 3G private network and public network intercommunication that the embodiment of the present invention proposes
Also include:
Nullify deexcitation unit, for being in explicitly or implicitly when described 3G private network user terminal
During IMSI separation process, nullify the IMS shape of described 3G private network user terminal to IMS network
State, and the mapping relations of the Special network numbers of 3G private network user terminal described in deexcitation and IMPU.
In sum, use the method realizing 3G private network and public network intercommunication that the present invention proposes and
System, the mapping relations of Special network numbers Yu IMPU by setting up 3G private network user terminal,
And then opposite joining relation will be set up between private network and public network, in 3G private network wireless communication system and fortune
Battalion business's public network 3G wireless communication system between realize intercommunication, private network user and public network user without
The replacing that need to carry out private network and public network cell-phone number can realize quick intercommunication, promotes user's perception.
Through the above description of the embodiments, those skilled in the art it can be understood that
Can be realized by hardware to the present invention, it is also possible to add the general hardware platform of necessity by software
Mode realize.Based on such understanding, technical scheme can be with software product
Form embody, this software product can be stored in a non-volatile memory medium (can
To be CD-ROM, USB flash disk, portable hard drive etc.) in, including some instructions with so that one
Platform computer equipment (can be personal computer, server, or the network equipment etc.) performs
Method described in each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, attached
Module or flow process in figure are not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in the device in embodiment can be according to reality
Execute example description to carry out being distributed in the device of embodiment, it is also possible to carry out respective change and be positioned at difference
In one or more devices of the present embodiment.The module of above-described embodiment can merge into one
Module, it is also possible to be further split into multiple submodule.
The several specific embodiments being only the present invention disclosed above, but, the present invention not office
Being limited to this, the changes that any person skilled in the art can think of all should fall into the protection of the present invention
Scope.
Claims (12)
1. the method realizing 3G private network and public network intercommunication, it is characterised in that described side
Method includes:
It is the user that 3G private network user terminal is arranged according to IP Multimedia System IMS network
The mapping of Special network numbers and IMPU that publicly-owned mark IMPU sets up 3G private network user terminal is closed
System；
During the start of 3G private network user terminal, according to the international shifting of current 3G private network user terminal
Dynamic ID IMSI obtains corresponding Special network numbers；
Judge whether described Special network numbers is bound with IMPU, the most then with described
The IMPU of Special network numbers binding sends registration request to IMS network, and after succeeding in registration
Activate the mapping relations of described Special network numbers and IMPU；
Mapping relations according to described Special network numbers with IMPU initiate calling to public network.
Method the most according to claim 1, it is characterised in that described according to described specially
Network No. code calls to public network initiation with the mapping relations of IMPU, specifically includes:
According to described mapping relations, it is transformed to described Special network numbers tie up with described Special network numbers
Fixed IMPU；
Calling is initiated to public network by described IMPU.
Method the most according to claim 1 and 2, it is characterised in that when described public network
Public network user terminal to described 3G private network user terminal initiate calling time, described method is also wrapped
Include:
According to described mapping relations, will tie up with the public network cell-phone number of display in public network user terminal
Fixed IMPU is transformed to the Special network numbers bound with this IMPU；
Calling is initiated to 3G private network user terminal by the Special network numbers bound with IMPU.
Method the most according to claim 1, it is characterised in that when described 3G private network
When user terminal is in IMSI attachment state, described method also includes:
Timing refreshes the IMS state of described 3G private network user terminal to described IMS network.
Method the most according to claim 4, it is characterised in that described 3G private network is used
The refresh cycle of the IMS state of family terminal is the half of the intrinsic refresh time of IMS network.
Method the most according to claim 4, it is characterised in that when described 3G private network
User terminal be in explicitly or implicitly IMSI separation process time, described method also includes:
The IMS state of described 3G private network user terminal, and deexcitation is nullified to IMS network
The Special network numbers of described 3G private network user terminal and the mapping relations of IMPU.
Method the most according to claim 1, it is characterised in that described method also includes:
By described 3G private network by IMS network described in IP access via telephone line.
8. the system realizing 3G private network and public network intercommunication, it is characterised in that described system
System includes:
Mapping relations set up unit, and being used for according to IP Multimedia System IMS network is 3G
The IP multimedia pUblic identity IMPU that private network user terminal is arranged sets up the special of 3G private network user terminal
Network No. code and the mapping relations of IMPU；
Special network numbers acquiring unit, for when 3G private network user terminal is started shooting, according to currently
The IMSI International Mobile Subscriber Identity IMSI of 3G private network user terminal obtains corresponding Special network numbers；
Judging unit, is used for judging whether described Special network numbers is bound with IMPU, if
It is then to proceed to mapping relations and activate unit；
Mapping relations activate unit, for the IMPU to bind with described Special network numbers to IMS
Network sends registration request, and activates described Special network numbers and IMPU's after succeeding in registration
Mapping relations；
First calling performance element, for closing according to the mapping of described Special network numbers with IMPU
It is to initiate calling to public network.
System the most according to claim 8, it is characterised in that described first calling is held
Row unit, specifically includes:
Conversion module, for according to described mapping relations, described Special network numbers is transformed to
The IMPU of described Special network numbers binding；
Perform module, for initiating calling by described IMPU to public network.
System the most according to claim 8 or claim 9, it is characterised in that described system
Also include:
Converter unit, for when the user terminal of described public network is to described 3G private network user terminal
When initiating calling, according to described mapping relations, by with the public network of display in public network user terminal
The IMPU of cell-phone number binding is transformed to the Special network numbers bound with this IMPU；
Second calling performance element, for by special to 3G with the Special network numbers that IMPU binds
Network users terminal originated calls.
11. systems according to claim 8, it is characterised in that described system also includes:
IMS state updating block, for when described 3G private network user terminal, to be in IMSI attached
When state, timing refreshes the IMS of described 3G private network user terminal to described IMS network
State.
12. systems according to claim 11, it is characterised in that described IMS state
The refresh cycle of updating block is the half of the intrinsic refresh time of IMS network.
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| CN201510019219.0A CN105848084B (en) | 2015-01-15 | 2015-01-15 | A kind of method and system for realizing 3G private network Yu public network intercommunication |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106375974A (en) * | 2016-08-31 | 2017-02-01 | 中国人民解放军信息工程大学 | Method for disrupting numbers of private network subscribers based on call forwarding service |
| CN108235388A (en) * | 2016-12-22 | 2018-06-29 | 大唐移动通信设备有限公司 | A kind of method of calling, apparatus and system |
| WO2020001609A1 (en) * | 2018-06-30 | 2020-01-02 | 华为技术有限公司 | Network registration method, apparatus, and system |
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